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In which of these process job reciprocates

  • A.Shaping
  • B.Planing
  • C.Slotting
  • D.All of the above

Answer: B

The job reciprocates in planing.

On a planer the large, heavy workpiece is clamped to a table that moves back and forth under a stationary single-point tool, which is fed sideways at the end of each stroke. This suits long, heavy jobs that would be awkward to cut with a moving tool.

In shaping it is the other way round: the work is fixed and the ram carrying the tool reciprocates horizontally. A slotting machine is a vertical shaper, again with the tool on a reciprocating ram. So 'All of the above' is also wrong.

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